Showing 1591 products
![[Pre-owned] K18YG SAPPHIRE Ring, S0.65ct, D0.91ct, 5.7g, #13](http://koufuku.jp/cdn/shop/files/2000000105628_2.jpg?v=1759990523&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.89ct, S0.30ct, D1.20ct, 6.4g, #13](http://koufuku.jp/cdn/shop/files/2000000035598_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S1.00ct, D2.00ct, 9.3g, #14](http://koufuku.jp/cdn/shop/files/2000000070384_2.jpg?v=1759988719&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.10ct, D0.13ct, 4.5g, #12.5](http://koufuku.jp/cdn/shop/files/2000000106595_2.jpg?v=1759988718&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.13ct, D0.93ct, 7.3g, #10.5](http://koufuku.jp/cdn/shop/files/2000000069272_2.jpg?v=1759988718&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S1.90ct, D0.20ct, 4.9g, #15](http://koufuku.jp/cdn/shop/files/2000000075518_2.jpg?v=1752392449&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire and Green Garnet Ring, S0.78ct, G0.45ct, D1.16ct, 10.7g, #13](http://koufuku.jp/cdn/shop/files/2000000121376_2.jpg?v=1766219023&width=480)
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![[Pre-owned] 18K Yellow Gold South Sea Pearl Ring, 13.2mm diameter, 1.46ct, 14.8g, #10.5](http://koufuku.jp/cdn/shop/files/2000000057033_2.jpg?v=1771658188&width=480)
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![[Pre-owned] 18K Yellow Gold South Sea Pearl Ring, 13.5mm, with Certificate of Authenticity, 13.8g, #14](http://koufuku.jp/cdn/shop/files/2000000043159_3.jpg?v=1769398106&width=480)
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![[Pre-owned] K18YG SOUTH SEA PEARL RING White Butterfly Pearl Ring P12.4mm D2.01ct 10.8g #9.5](http://koufuku.jp/cdn/shop/files/2000000093390_2.jpg?v=1771658298&width=480)
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![[Pre-owned] 18K Yellow Gold South Sea Pearl Ring, 12.3mm, 1.50ct, 17.8g, #13.5](http://koufuku.jp/cdn/shop/files/2000000056586_2.jpg?v=1766219022&width=480)
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![Used] K18YG STAR SAPPHIRE PENDANT NECKLACE 15.0g](http://koufuku.jp/cdn/shop/files/2000000024523_2.jpg?v=1762397786&width=480)
![[Pre-owned] K18YG STAR SAPPHIRE RING Star Sapphire Ring SS1.49ct D0.4 4ct 7.7g #8](http://koufuku.jp/cdn/shop/files/2000000123141_2.jpg?v=1771053915&width=480)
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![[Pre-owned] 18K Yellow Gold Star Sapphire Ring, SS 0.543ct, D 0.252ct, 3.0g, #10.5](http://koufuku.jp/cdn/shop/files/2000000115160_2.jpg?v=1762397786&width=480)
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![[Pre-owned] K18YG STAR SAPPHIRE Ring, SS1.56ct, D0.52ct, 8.7g, #14](http://koufuku.jp/cdn/shop/files/2000000046945_2.jpg?v=1765161894&width=480)
![[Pre-owned] 18K Yellow Gold Tourmaline Ring, Pink Tourmaline, 27.51ct Tall, 0.64ct Deep, GRJ Sorting, 17.3g, #12](http://koufuku.jp/cdn/shop/files/2000000069722_3.jpg?v=1768444653&width=480)
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![[Used] 18K Yellow Gold Tourmaline Round Bead Necklace 29.3g](http://koufuku.jp/cdn/shop/files/2000000040905_2.jpg?v=1765161777&width=480)
![[Pre-owned] 18K Yellow Gold TOURMALINE Black Tourmaline Round Bead Bracelet, 11.8g](http://koufuku.jp/cdn/shop/files/2000000080802_2.jpg?v=1762391062&width=480)
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![[Pre-owned] 18K Yellow Gold Turquoise Pearl Earrings, 1.2ct Tall, 0.02ct Drill Bits, 4.8g](http://koufuku.jp/cdn/shop/files/2000000129877_2.jpg?v=1771658081&width=480)
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![Used] K18YG YELLOW SAPPHIRE RING Bi-Color Sapphire Ring S2.618ct D0.93ct 8.9g #12](http://koufuku.jp/cdn/shop/files/2000000044224_2.jpg?v=1771814675&width=480)
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![[Pre-owned] K18YG Green Tourmaline Ring GT1.464ct 5.2g #14 with Certificate of Authenticity](http://koufuku.jp/cdn/shop/files/2000000043449_3.jpg?v=1750926454&width=480)
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![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
![[Used] PT1000/PT900 BLACK OPAL NECKLACE Black Opal Pendant Necklace BO7.57ct D1.34ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000112718_2.jpg?v=1771816794&width=480)
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